Small is better: comparing the efficiency of two Surber samplers’ sizes for biomonitoring programs in tropical headwater streams in the Amazon region

Bevilacqua, Maria Silvina; Vitório, Amanda; Felix, Rodrigo Weber; Ribeiro, Enoque Gonçalves; Bozelli, Reinaldo Luiz; Figueiredo‐Barros, Marcos Paulo; Esteves, Francisco de Assis

doi:10.1007/s10661-020-08676-6

Environ Monit Assess

2020

DOI: 10.1007/s10661-020-08676-6

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Small is better: comparing the efficiency of two Surber samplers’ sizes for biomonitoring programs in tropical headwater streams in the Amazon region

Maria Silvina Bevilacqua

Amanda Vitório

Rodrigo Weber Felix

et al.

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2024

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Assessing Methods to Monitor Aquatic Invertebrates in a Large River: Comparing Rock Baskets and Hess Samplers in the Snake River, Wyoming, USA

Tronstad,

Tronstad

2024

Hydrobiology

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Large rivers are difficult to sample due to their size yet critical to monitor because humans heavily rely upon and alter them. Aquatic invertebrates are commonly used to assess the ecosystem quality of streams, but methods to sample large rivers are underdeveloped. We sampled aquatic invertebrates using a Hess sampler and rock baskets in the Snake River near Jackson, Wyoming, USA. Hess samples collected more aquatic invertebrate taxa and a higher proportion of Ephemeroptera, Plecoptera, and burrowing taxa. Rock baskets collected a higher proportion of Trichoptera, filterers, and clinging taxa. Bioassessment metrics differed between sampling methods; richness, diversity, evenness, Ephemeroptera, Plecoptera, and Trichoptera (EPT), and Hilsenhoff’s biotic index produced higher values in Hess samples, and percent EPT was higher in rock baskets. Non-metric multidimensional scaling and analysis of similarity indicated that the samplers collected different assemblages (p < 0.001). The standard error of total invertebrate density was smaller and most taxa were collected with seven replicate samples. Understanding how sampling methods alter the aquatic invertebrates collected will help managers develop monitoring protocols that are best suited to the river and collect the most unbiased invertebrate assemblages.

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Assessing Methods to Monitor Aquatic Invertebrates in a Large River: Comparing Rock Baskets and Hess Samplers in the Snake River, Wyoming, USA

Tronstad,

Tronstad

2024

Hydrobiology

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Small is better: comparing the efficiency of two Surber samplers’ sizes for biomonitoring programs in tropical headwater streams in the Amazon region

Cited by 1 publication

References 28 publications

Assessing Methods to Monitor Aquatic Invertebrates in a Large River: Comparing Rock Baskets and Hess Samplers in the Snake River, Wyoming, USA

Assessing Methods to Monitor Aquatic Invertebrates in a Large River: Comparing Rock Baskets and Hess Samplers in the Snake River, Wyoming, USA

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